humorist

1. (medicine, now rare, historical) Someone who believes that health and temperament are determined by bodily humours; a humoralist.archaichistorical

2. (obsolete) Someone subject to whims or fancies; an eccentric.Examples: "She and the duke used to rally me upon my fondness for lord W—m, who was a sort of an humourist, and apt to be in a pet, in which case he would leave the company, and go to bed by seven o'clock in the evening."; "I called on him and found him a contemporary of Beauclerk and Langton at Trinity College, Oxford, and a man of reading and animation, but a kind of humourist."obsolete